<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>Title</title>
</head>
<style>
  div {
    width: 300px;
    height: 300px;
    background-color: pink;


    /*display: inline-block;
    行内块
    display: inline;
    行内
    display: block;
    块*/
  }
</style>
<body>

<div>111111111111</div>
<div>222222222222</div>

</body>
</html>
